Side by side

Northern Star Watch SentinelvsSpinnaker Bradner GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Sentinel
Northern Star WatchSentinel
MSRP $649
Bradner GMT
SpinnakerBradner GMT
MSRP $299
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Buy used on eBay ↗
Buy from Spinnaker ↗
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At a glance

11 of 29 specs differ
Diameter
Sentinel40.5mm
Bradner GMT42mm
Power Reserve
Sentinel42h
Bradner GMT40h
Water Resistance
Sentinel50m
Bradner GMT180m
MSRP
Sentinel$649
Bradner GMT$299

Full specifications

Case

7 specs
Category
—
GMT
Diameter
40.5mm
42mm
Thickness
10.1mm
15mm
Lug-to-Lug
43.72mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
180m

Crystal & Dial

1 specs
Dial Color
White
Brown

Movement

2 specs
Caliber
Miyota 90S5
Seiko NH34A
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$649
$299
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